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公开(公告)号：US11848135B2
公开(公告)日：2023-12-19
申请号：US17935448
申请日：2022-09-26
发明人： Yasuhiro Itani , Takashi Sukegawa , Takanori Suzuki , Yuuki Kitadai , Yoshifumi Maki , Reiichi Matsuba
CPC分类号： H01F17/045 , H01F27/027 , H01F27/2823 , H01F27/292 , H01F27/306 , H01F41/0246 , H01F41/06
摘要： A coil component includes a core including a winding core portion, a first flange portion, and a second flange portion, and a first wire and a second wire that are wound around the winding core portion in the same direction and that form a winding portion. The winding portion includes a second intersecting portion along a third side surface of the winding core portion at a position on the winding portion nearest to the second flange portion.
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公开(公告)号：US12131856B2
公开(公告)日：2024-10-29
申请号：US18529883
申请日：2023-12-05
发明人： Takashi Sukegawa , Yasuhiro Itani , Takanori Suzuki , Yuuki Kitadai , Yoshifumi Maki , Reiichi Matsuba
CPC分类号： H01F17/045 , H01F27/027 , H01F27/2823 , H01F27/292 , H01F27/306 , H01F41/0246 , H01F41/06
摘要： A coil component includes a core including a winding core portion and a first flange portion that is disposed on a first end portion of the winding core portion in a direction in which the winding core portion extends. A first curved portion is formed at a connection between a bottom surface of the winding core portion and the first flange portion. A ratio of a length of the first curved portion in a height direction to a distance in the height direction between the bottom surface and a first terminal electrode is no less than 20% and no more than 60% (i.e., from 20% to 60%).
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公开(公告)号：US11495385B2
公开(公告)日：2022-11-08
申请号：US16850949
申请日：2020-04-16
发明人： Yasuhiro Itani , Takashi Sukegawa , Takanori Suzuki , Yuuki Kitadai , Yoshifumi Maki , Reiichi Matsuba
摘要： A coil component includes a core including a winding core portion, a first flange portion, and a second flange portion, and a first wire and a second wire that are wound around the winding core portion in the same direction and that form a winding portion. The winding portion includes a second intersecting portion along a third side surface of the winding core portion at a position on the winding portion nearest to the second flange portion.
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公开(公告)号：US11676754B2
公开(公告)日：2023-06-13
申请号：US16848771
申请日：2020-04-14
发明人： Takashi Sukegawa , Yasuhiro Itani , Takanori Suzuki , Yuuki Kitadai , Yoshifumi Maki , Reiichi Matsuba
IPC分类号： H01F27/28 , H01F27/29 , H01F27/24 , H01F41/02 , H01F41/064
CPC分类号： H01F27/2823 , H01F27/24 , H01F27/29 , H01F41/0246 , H01F41/064
摘要： A coil component includes a core including a winding core portion, a first flange portion, and a second flange portion, and a plate member that is mounted on the first flange portion and the second flange portion. A distance in a height direction between the plate member and the first flange portion, or a distance in the height direction between the plate member and the second flange portion, or both vary in a length direction, or in a width direction, or both.
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公开(公告)号：US11462346B2
公开(公告)日：2022-10-04
申请号：US16850996
申请日：2020-04-16
发明人： Takashi Sukegawa , Yasuhiro Itani , Yoshifumi Maki , Takanori Suzuki , Yuuki Kitadai , Reiichi Matsuba
摘要： A coil component includes a core including a winding core portion, a first flange portion, and a second flange portion, a first wire and a second wire that are wound around the winding core portion in the same direction and that form a winding portion, a first terminal electrode and a second terminal electrode that are disposed on the first flange portion, and a third terminal electrode and a fourth terminal electrode that are disposed on the second flange portion. A length of the winding portion along a bottom surface of the winding core portion is shorter than a length of the winding portion along an upper surface of the winding core portion.
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公开(公告)号：US12073970B2
公开(公告)日：2024-08-27
申请号：US16712787
申请日：2019-12-12
CPC分类号： H01F17/045 , H01F2017/048 , H01F27/292
摘要： A coil component includes a drum-shaped core including a core part having a circumferential surface including a first side surface and a second side surface parallel to each other; and a coil including two wires wound around the core part in the same direction. The coil has a first twisted wire part having the two wires twisted together on the first side surface, and a second twisted wire part having the two wires twisted together on the second side surface. The first twisted wire part and the second twisted wire part are identical in shape.
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公开(公告)号：US11875927B2
公开(公告)日：2024-01-16
申请号：US16850977
申请日：2020-04-16
发明人： Takashi Sukegawa , Yasuhiro Itani , Takanori Suzuki , Yuuki Kitadai , Yoshifumi Maki , Reiichi Matsuba
CPC分类号： H01F17/045 , H01F27/027 , H01F27/2823 , H01F27/292 , H01F27/306 , H01F41/0246 , H01F41/06
摘要： A coil component includes a core including a winding core portion and a first flange portion that is disposed on a first end portion of the winding core portion in a direction in which the winding core portion extends. A first curved portion is formed at a connection between a bottom surface of the winding core portion and the first flange portion. A ratio of a length of the first curved portion in a height direction to a distance in the height direction between the bottom surface and a first terminal electrode is no less than 20% and no more than 60% (i.e., from 20% to 60%).
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公开(公告)号：US11848147B2
公开(公告)日：2023-12-19
申请号：US16850891
申请日：2020-04-16
发明人： Yoshifumi Maki , Reiichi Matsuba , Takashi Sukegawa , Yasuhiro Itani , Takanori Suzuki , Yuuki Kitadai
CPC分类号： H01F27/292 , H01F27/24 , H01F27/2823 , H01F41/04 , Y10T29/53178
摘要： A coil component includes a core including a winding core portion and a first flange portion, a first wire and a second wire that are wound around the winding core portion in the same direction, and a first terminal electrode that is disposed on the first flange portion and that is connected to a first end portion of the first wire. The shape of an outer edge of the first terminal electrode includes a convex curve.
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公开(公告)号：US11217388B2
公开(公告)日：2022-01-04
申请号：US16006592
申请日：2018-06-12
发明人： Yasuhiro Itani , Hiroki Hashimoto , Masayuki Oishi
摘要： A multilayer inductor manufacturing method includes stacking a first coil conductor layer on a first magnetic layer; stacking a first burn-away material on side surfaces of the first coil conductor layer; stacking a second magnetic layer on the first burn-away material and first magnetic layer; stacking a second burn-away material on the second magnetic layer laterally outside an upper surface of the first coil conductor layer; stacking a second coil conductor layer on the upper surface of the first coil conductor layer and second burn-away material; stacking a third burn-away material on side surfaces and an upper surface of the second coil conductor layer; stacking a third magnetic layer on side surfaces of the third burn-away material and the second magnetic layer; stacking a fourth magnetic layer on the third burn-away material and the third magnetic layer; and burning away the first, second, and third burn-away materials via firing.
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公开(公告)号：US11145453B2
公开(公告)日：2021-10-12
申请号：US16175585
申请日：2018-10-30
发明人： Masayuki Oishi , Yasuhiro Itani , Hiroki Hashimoto , Takuma Shiro
摘要： A coil component includes an element and a coil that is provided inside the element and that is spirally wound. The coil includes a plurality of coil conductor layers and an extended conductor layer, which are laminated in a first direction. The extended conductor layer overlaps a side gap portion, which is situated on an outer side of a region of the element that is surrounded by the coil conductor layers, and extends so as to reach an outer surface of the element. The element includes a first stress relaxation layer that contacts the coil conductor layers, and a second stress relaxation layer that, while extending along the extended conductor layer, contacts a coil-conductor-layer side of the extended conductor layer, and is positioned inside the side gap portion without reaching the outer surface of the element.
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